Working papers

• Submarine Trademarks
  with Carsten Fink, Andrea Fosfuri, and Amanda Myers (in progress)
  
  
• Freemium in Digital Markets: Evidence from an Online Game
  with Alessandro Iaria, Manasa Patnam, Louis Pape, Julian Runge, Stefan Wagner (in progress)
  
  
• The effect of bifurcation on patent litigation: Evidence from the Inter Partes Review in the U.S.
  with Yassine Lefouili and Brian Love (in progress)
  
  
• The impact of government funding on science: Evidence from the U.S. government shutdown (in progress)
  
  
• The Impact of NPE Insurance on Patent Litigation
  with Bernhard Ganglmair and Brian Love
  
  
• The Effect of Fee Shifting on Litigation: Evidence from a Court Reform in the UK
  with Yassine Lefouili, Brian Love and Luke McDonagh, TSE Working Paper No. 16-740.
  
  
• Attention and Saliency on the Internet: Evidence from an Online Recommendation System
  with Pramila Krishnan and Manasa Patnam, CEPR Discussion Paper No. 10939
  
  
• The Impact of International Patent Systems: Evidence from Accession to the European Patent Convention
  with Bronwyn Hall, NBER WP 24207.
  
  
• Intellectual Property Use and Firm Performance: the Case of Chile
  with Carsten Fink and Bronwyn Hall, NBER WP 24348.
  
  
• Green Technology Diffusion: A Post-Mortem Analysis of the Eco-Patent Commons
  with Jorge Contreras and Bronwyn H. Hall
  
  
• Mixed ownership in the face of technological change: The response to digitization in the telecommunications industry
  with David Wehrheim, Hakki Dogan Dalay, and Andrea Fosfuri
  
  
• Technology Entry in the Presence of Patent Thickets
  with Bronwyn Hall and Georg von Graevenitz, NBER WP 21455.
  
  
• Does Online Search Predict Sales? Evidence from Big Data for Car Markets in Germany and the UK
  with Valentine Millot, Oliver Turnbull, and Georg von Graevenitz
  
  
• Untested Assumptions and Data Slicing: A Critical Review of Firm-Level Production Function Estimators
  with Markus Eberhardt, Oxford University, Department of Economics Discussion Paper No. 513